Table 4: Results of regressions run using , and GMM Models, the dependent variable is exportation ().

Variables

GMM

(1)

(2)

(3)

(4)

(5)

(6)a

0.82*

(0,07)

0.54*

0.53*

0.43*

0.46*

0.13ns

(0.08)

(0.09)

(0.06)

(0.05)

(0.11)

1.54*

0.96*

0.964*

0.41***

0.76**

(0.40)

(0.37)

(0.24)

(0.23)

(0.30)

−0.11*

−0.07**

−0.064*

−0.03***

−0.057**

(0.04)

(0.03)

(0.02)

(0.02)

(0.02)

0.87*

1.04*

0.96*

1.18*

0.22***

(0.13)

(0.19)

(0.09)

(0.11)

(0.13)

Central West

−0.26ns

0.16ns

(0.38)

(0.29)

Northeast

−0.02ns

−0.20ns

(0.45)

(0.22)

North

1.01*

1.19*

(0.46)

(0.27)

South

0.85*

0.91*

(0.29)

(0.19)

Constant

−12.29*

−13.12*

−10.32*

−12.18*

−5.10*

0.95

0.96

AR(2) (2nd order serial correlation, P value)

0.69

Sargan test

0.74

(inflection point)b

7.0

6.9

7.5

6.8

6.7

Number of observations

324

324

324

324

297

Source: estimated by the authors.
*Indicates level of significance of 1%; **indicates level of significance of 5%; ***indicates level of significance of under 10%, ns: nonsignificant. Robust std error are in parentheses; aTime dummies are not reported; bsee endnote number 12.